diff --git a/backend/src/utils/dataHasher.ts b/backend/src/utils/dataHasher.ts
deleted file mode 100644
index 849e0954..00000000
--- a/backend/src/utils/dataHasher.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-import { create } from 'multiformats/hashes/digest'
-import { CID } from 'multiformats/cid'
-import * as raw from 'multiformats/codecs/raw'
-import { hash } from 'blake3'
-
-export const hashData = (
-  data: string | Buffer,
-  algorithm: string = 'blake3',
-): CID => {
-  if (algorithm != 'blake3') {
-    throw new Error('Invalid algorithm')
-  }
-
-  return CID.create(1, raw.code, create(0x1f, hash(data)))
-}
diff --git a/backend/src/utils/index.ts b/backend/src/utils/index.ts
index 7ee5c6f8..390c5f47 100644
--- a/backend/src/utils/index.ts
+++ b/backend/src/utils/index.ts
@@ -1,3 +1,2 @@
-export { hashData } from './dataHasher.js'
 export { isJson } from './misc.js'
 export { safeCallback } from './safe.js'